+ What Operating systems does YouSendIt Express for Mac support?

Mac OS X 10.4.6 and above

+ How do I create a zip file on Mac

To create a zip file, under versions of Mac OS X before 10.5, hold down the control key and click on the file or folder and choose Create Archive. Under Mac OS X 10.5, click on the file or folder and hold down the control key, and select Compress 'File'.

+ What are the size limits of the files that I can send with the YouSendIt Express?

The size limits for uploading to YouSendIt depend on your account type registered with YouSendIt. Our free Lite account has a 100 MB size limit while our paid accounts allow for larger file sizes. Please visit the compare accounts page for different account type information.